phisical science chapter 16
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| sound | is a desterbance that traveled through a medium-waves begin with a vibration
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| vibration | desterbes the air particles-you can hear the desterbance
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| reflection | when a sound hits off a wall, it makes an echo
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| diffraction | sound waves dont travel in a strate line. the sound spreads out
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| interfrence | sound waves meet and interact with eachother
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| loudness | depends on two factors-1-the amount of energy
2-the pitch
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| pitch | is a description of how high or low a note is
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| ultra sound | sound waves with frequencies above the human range
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| infrasound-below what a human can hear | below what a human can hear
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| the doppler effect | the change in frequency of a wave of a wave as its source moves in the relation to an observer
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| acustics | the study of how sounds interact with eachother
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| ear canal | the canal which the wave traveles in
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| ear drum | the vibration hits this and sends a signal
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| middle ear | containes the two smallest bones in your body
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| hammer Anvil stirrup | giant chain link attacked to the inner ear middle
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| cochlea auditory prossesor | contained hair cells which makes you hear
sents message to brain
tells you what they said
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| hear loss | if you hear something to lowd this occurs
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| sonar | is the use of reflected soundwaves to detected of locate onjects underwater
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| echolocation | is the use of reflected stored waves to deter main distances or to locate objects
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| sonogram | the device uses the reflected ultrasound waves to create a picture
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
manu1
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